$593+ Cheap flights from O'Hare Intl (ORD) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from O'Hare Intl to AustraliaExplore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 am
ORD
- MEL
3 stops35h 32m
Multiple Airlines
Wed 8/121:25 pm
MEL
- ORD
2 stops31h 52m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,167
This Trip.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:28 am
ORD
- MEL
3 stops35h 32m
Multiple Airlines
Sat 8/151:30 pm
MEL
- ORD
2 stops31h 47m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,250
This KAYAK deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:00 pm
ORD
- SYD
2 stops31h 15m
ANA
Wed 11/189:45 pm
SYD
- ORD
1 stop26h 35m
ANA
Deal found 6/8![ANA logo]()
$1,305
This Ovago deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Tue 9/111:45 am
SYD
- ORD
2 stops32h 00m
ANA
Deal found 6/8![ANA logo]()
$1,307
This KAYAK deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:45 pm
ORD
- SYD
1 stop24h 40m
ANA
Sun 8/238:55 pm
SYD
- ORD
2 stops34h 46m
ANA
Deal found 6/9![ANA logo]()
$1,309
This KAYAK deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:25 pm
ORD
- SYD
1 stop34h 50m
ANA
Thu 11/1912:25 pm
SYD
- ORD
2 stops43h 50m
ANA
Deal found 6/8![ANA logo]()
$1,310
This lol.travel deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:45 am
ORD
- SYD
1 stop31h 35m
Air Canada
Tue 7/79:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/7![Air Canada logo]()
$1,313
This KAYAK deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:50 pm
ORD
- SYD
2 stops46h 35m
ANA
Sun 8/238:55 pm
SYD
- ORD
2 stops34h 46m
ANA
Deal found 6/9![ANA logo]()
$1,314
This KAYAK deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:45 pm
ORD
- SYD
1 stop34h 25m
ANA
Wed 8/2611:45 am
SYD
- ORD
2 stops47h 48m
ANA
Deal found 6/9![ANA logo]()
$1,316
This KAYAK deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:45 pm
ORD
- SYD
1 stop24h 40m
ANA
Sun 9/611:45 am
SYD
- ORD
2 stops47h 41m
ANA
Deal found 6/7![ANA logo]()
$1,318
This KAYAK deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:50 am
ORD
- SYD
2 stops65h 20m
ANA
Sun 8/238:55 pm
SYD
- ORD
2 stops34h 46m
ANA
Deal found 6/9![ANA logo]()
$1,321
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 9/1510:15 am
BNE
- ORD
2 stops38h 28m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,391
Best flights from O'Hare Intl to AustraliaDiscover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from O'Hare Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:48 pm
ORD
- BNE
1 stop20h 17m
Multiple Airlines
Sat 9/128:45 pm
BNE
- ORD
2 stops32h 58m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,425
This Orbitz deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:40 pm
ORD
- CBR
2 stops27h 55m
Air Canada
Tue 10/136:35 am
CBR
- ORD
2 stops26h 10m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,475
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:21 pm
ORD
- MEL
1 stop24h 24m
Qantas Airways
Sat 8/159:45 am
MEL
- ORD
1 stop29h 16m
Qantas Airways
Deal found 6/9![Qantas Airways logo]()
$1,576
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:20 pm
ORD
- MEL
1 stop22h 55m
United Airlines
Thu 8/610:55 am
MEL
- ORD
1 stop20h 43m
United Airlines
Deal found 6/7![United Airlines logo]()
$1,602
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:30 am
ORD
- SYD
2 stops28h 20m
Delta
Thu 10/2210:15 am
SYD
- ORD
1 stop19h 32m
Delta
Deal found 6/7![Delta logo]()
$1,614
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:10 pm
ORD
- CNS
2 stops30h 50m
American Airlines
Fri 8/73:45 pm
CNS
- ORD
2 stops30h 21m
American Airlines
Deal found 6/6![American Airlines logo]()
$1,702
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am
ORD
- SYD
3 stops30h 10m
Alaska Airlines
Wed 11/189:25 pm
SYD
- ORD
3 stops25h 15m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$1,720
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:45 pm
ORD
- BNE
2 stops27h 20m
Air New Zealand
Wed 7/229:40 am
BNE
- ORD
2 stops27h 00m
Air New Zealand
Deal found 6/8![Air New Zealand logo]()
$1,799
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:20 pm
ORD
- ADL
1 stop29h 40m
Qatar Airways
Tue 8/185:50 pm
ADL
- ORD
2 stops35h 45m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$1,839
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:00 pm
ORD
- PER
1 stop41h 40m
Cathay Pacific
Wed 7/2912:10 am
PER
- ORD
1 stop27h 10m
Cathay Pacific
Deal found 6/4![Cathay Pacific logo]()
$2,261
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:40 pm
ORD
- CBR
3 stops47h 10m
Air Canada
Tue 9/156:20 am
CBR
- ORD
2 stops23h 23m
Air Canada
Deal found 6/8![Air Canada logo]()
$1,485
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:48 pm
ORD
- CBR
2 stops26h 22m
Multiple Airlines
Thu 9/246:20 am
CBR
- ORD
2 stops28h 46m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,526
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/273:55 pm
ORD
- MEL
2 stops24h 35m
United Airlines
Mon 12/1411:30 am
MEL
- ORD
1 stop22h 10m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,607
This Justfly.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:40 pm
ORD
- ADL
2 stops31h 45m
Air Canada
Wed 8/196:55 pm
ADL
- ORD
2 stops34h 11m
Air Canada
Deal found 6/6![Air Canada logo]()
$1,489
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:13 pm
ORD
- BNE
1 stop40h 47m
Multiple Airlines
Fri 7/172:00 pm
BNE
- ORD
2 stops31h 17m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,536
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:00 am
ORD
- SYD
3 stops31h 30m
Alaska Airlines
Fri 9/49:25 pm
SYD
- ORD
2 stops36h 56m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$1,747
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:20 pm
ORD
- MEL
2 stops24h 10m
United Airlines
Thu 10/16:30 am
MEL
- ORD
2 stops23h 06m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,623
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:20 pm
ORD
- ADL
1 stop29h 40m
Qatar Airways
Wed 8/195:50 pm
ADL
- ORD
2 stops35h 45m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$1,840
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:10 pm
ORD
- HBA
2 stops32h 05m
Qantas Airways
Tue 7/146:00 am
HBA
- ORD
2 stops24h 59m
Qantas Airways
Deal found 6/7![Qantas Airways logo]()
$1,843
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:45 pm
ORD
- PER
2 stops40h 30m
Air New Zealand
Wed 7/2912:25 am
PER
- ORD
2 stops35h 50m
Air New Zealand
Deal found 6/7![Air New Zealand logo]()
$1,850
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:43 pm
ORD
- SYD
2 stops36h 07m
Multiple Airlines
Tue 9/88:45 pm
SYD
- ORD
3 stops24h 35m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,537
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:07 pm
ORD
- SYD
2 stops25h 43m
Delta
Thu 7/309:15 am
SYD
- ORD
1 stop19h 31m
Delta
Deal found 6/5![Delta logo]()
$1,915
This Air Canada deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:40 pm
ORD
- ADL
2 stops32h 10m
Air Canada
Thu 11/56:10 am
ADL
- ORD
2 stops25h 01m
Air Canada
Deal found 6/5![Air Canada logo]()
$1,686
This Emirates deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:35 pm
ORD
- LST
2 stops49h 30m
Emirates
Wed 7/296:30 am
LST
- ORD
2 stops48h 15m
Emirates
Deal found 6/7![Emirates logo]()
$4,087
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:55 pm
ORD
- SYD
2 stops23h 55m
Delta
Wed 7/299:15 am
SYD
- ORD
2 stops22h 44m
Delta
Deal found 6/5![Delta logo]()
$1,915
This Air Canada deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:40 pm
ORD
- MEL
2 stops28h 40m
Multiple Airlines
Thu 10/87:00 am
MEL
- ORD
3 stops28h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,589
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:00 pm
ORD
- MEL
2 stops28h 15m
United Airlines
Sat 8/110:55 am
MEL
- ORD
1 stop22h 40m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,755
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:48 am
ORD
- PER
2 stops48h 27m
Air New Zealand
Fri 7/247:50 pm
PER
- ORD
2 stops40h 26m
Air New Zealand
Deal found 6/7![Air New Zealand logo]()
$1,941
This Bravofly deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:10 pm
ORD
- ADL
2 stops27h 35m
Qantas Airways
Fri 7/318:00 pm
ADL
- ORD
2 stops42h 00m
Qantas Airways
Deal found 6/9![Qantas Airways logo]()
$1,971
This Qatar Airways deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:20 pm
ORD
- LST
2 stops35h 35m
Qatar Airways
Wed 10/2111:30 am
LST
- ORD
2 stops43h 35m
Qatar Airways
Deal found 6/7![Qatar Airways logo]()
$1,979
Last-minute flights from O'Hare Intl to AustraliaDiscover last-minute flight deals from O'Hare Intl to Australia. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Australia. Data last updated June 10, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Thu 7/910:15 am
BNE
- ORD
1 stop19h 21m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,431
This lol.travel deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:45 am
ORD
- SYD
1 stop31h 35m
Air Canada
Tue 7/79:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/7![Air Canada logo]()
$1,313
This lol.travel deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/213:40 pm
ORD
- MEL
2 stops28h 55m
Air Canada
Mon 3/226:40 am
MEL
- ORD
2 stops24h 01m
Air Canada
Deal found 6/5![Air Canada logo]()
$1,423
This Justfly.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/213:40 pm
ORD
- MEL
2 stops28h 40m
Multiple Airlines
Mon 3/227:10 am
MEL
- ORD
2 stops23h 31m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,439
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:45 pm
ORD
- BNE
2 stops44h 20m
Air Canada
Mon 7/610:00 am
BNE
- ORD
1 stop34h 40m
Air Canada
Deal found 6/8![Air Canada logo]()
$1,443
This Bravofly deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:45 pm
ORD
- SYD
1 stop24h 40m
ANA
Sat 7/1111:45 am
SYD
- ORD
2 stops32h 06m
ANA
Deal found 6/6![ANA logo]()
$1,387
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:22 pm
ORD
- SYD
2 stops45h 58m
Air Canada
Sun 7/269:20 am
SYD
- ORD
1 stop20h 16m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,407
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:00 am
ORD
- BNE
2 stops35h 05m
Air Canada
Mon 7/1310:00 am
BNE
- ORD
2 stops43h 55m
Air Canada
Deal found 6/8![Air Canada logo]()
$1,428
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:50 pm
ORD
- BNE
2 stops24h 15m
Air Canada
Thu 8/2010:15 am
BNE
- ORD
1 stop19h 21m
Air Canada
Deal found 6/6![Air Canada logo]()
$1,404
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:40 pm
ORD
- BNE
1 stop24h 25m
Air Canada
Tue 9/1510:15 am
BNE
- ORD
2 stops38h 28m
Air Canada
Deal found 6/9![Air Canada logo]()
$1,391
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 am
ORD
- MEL
2 stops33h 45m
Multiple Airlines
Wed 8/59:45 am
MEL
- ORD
1 stop35h 32m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,435
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 am
ORD
- MEL
3 stops35h 32m
Multiple Airlines
Wed 8/121:25 pm
MEL
- ORD
2 stops31h 52m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,167
One-way flights from O'Hare Intl to AustraliaSearch for one-way flight options from O'Hare Intl to Australia. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from O'Hare Intl to Australia. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:13 pm
ORD
- SYD
3 stops58h 02m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$593
This BusinessClass deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:18 pm
ORD
- MEL
2 stops34h 02m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$609
This BusinessClass deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:59 pm
ORD
- MEL
2 stops55h 21m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am
ORD
- MEL
2 stops35h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 pm
ORD
- MEL
2 stops41h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:13 pm
ORD
- AVV
3 stops51h 07m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$666
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am
ORD
- MEL
2 stops35h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$672
This flugladen.de deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am
ORD
- SYD
2 stops57h 45m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:13 pm
ORD
- SYD
3 stops58h 02m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:13 pm
ORD
- SYD
1 stop43h 17m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$680
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:07 pm
ORD
- SYD
3 stops51h 48m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$683
This BusinessClass deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:29 pm
ORD
- MEL
2 stops33h 51m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$685
Find flight deals from O'Hare Intl to Australia
Keep the following information in mind while searching for O'Hare Intl to Australia flight deals. Data was last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,167 (Trip.com) |
One-way from | $593 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,384 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Mon 9/7
7:48 pm-7:05 am
1 stop20h 17m
Brisbane
Sat 9/12
8:45 pm-2:43 pm
2 stops32h 58m
$1,425
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Wed 10/7
3:40 pm-11:35 am
2 stops27h 55m
Canberra
Tue 10/13
6:35 am-4:45 pm
2 stops26h 10m
$1,475
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Sat 8/15
8:40 pm-10:50 am
3 stops47h 10m
Canberra
Tue 9/15
6:20 am-2:43 pm
2 stops23h 23m
$1,485
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/10
3:40 pm-1:55 pm
2 stops31h 45m
Adelaide
Wed 8/19
6:55 pm-2:36 pm
2 stops34h 11m
$1,489
ChicagoCanberra
ORD - CBR
ORDCBR
Chicago O'Hare Intl
Wed 9/16
7:48 pm-1:10 pm
2 stops26h 22m
Canberra
Thu 9/24
6:20 am-8:06 pm
2 stops28h 46m
$1,526
ChicagoBrisbane
ORD - BNE
ORDBNE
Chicago O'Hare Intl
Sun 7/5
9:13 pm-5:00 am
1 stop40h 47m
Brisbane
Fri 7/17
2:00 pm-6:17 am
2 stops31h 17m
$1,536
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 9/1
3:43 pm-6:50 pm
2 stops36h 07m
Sydney Kingsford Smith
Tue 9/8
8:45 pm-6:20 am
3 stops24h 35m
$1,537
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Sat 8/1
3:21 pm-6:45 am
1 stop24h 24m
Melbourne
Sat 8/15
9:45 am-12:01 am
1 stop29h 16m
$1,576
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Thu 10/1
3:40 pm-11:20 am
2 stops28h 40m
Melbourne
Thu 10/8
7:00 am-7:48 pm
3 stops28h 48m
$1,589
Quickest round-trip
ChicagoMelbourne
ORD - MEL
ORDMEL
Chicago O'Hare Intl
Tue 7/28
6:20 pm-8:15 am
1 stop22h 55m
Melbourne
Thu 8/6
10:55 am-4:38 pm
1 stop20h 43m
$1,602
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from O'Hare Intl with our price prediction graph.
ORD-MEL
ORD-SYD
ORD-BNE
ORD-PER
ORD-CNS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Australia
ORD-AU0
ORD-MEL
ORD-SYD
ORD-BNE
ORD-PER
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Australia?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $113). Flying from Chicago O'Hare Intl Airport to Australia in July is currently the most expensive (average of $768). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Australia?
The price you pay for your flight from Chicago O'Hare Intl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated June 10, 2026.
Peruse reviews from past customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Chicago O'Hare Intl Airport to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Entertainment
7.4
Food
7.4
Overall
8.0
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Entertainment
7.4
Food
7.4
Overall
8.0
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Entertainment
7.4
Food
7.4
Overall
8.0
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Entertainment
7.4
Food
7.4
Overall
8.0
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Entertainment
7.4
Food
7.4
Overall
8.0
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Entertainment
7.4
Food
7.4
Overall
8.0
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for O'Hare Intl to Australia
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Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Australia by cabin class
Find flights from O'Hare Intl to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Australia flights
Browse other O'Hare Intl and Australia flight options. Last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 10 airlines flying from O'Hare Intl to Australia
Discover the top 10 airlines that operate flights from O'Hare Intl to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$1,523 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$1,418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$712 | Average$1,137 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$716 | Average$1,212 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,524 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$870 | Average$1,699 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,193 | Average$1,288 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,217 | Average$1,517 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,263 | Average$1,762 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,560 | Average$1,973 | FlexibilityNo cancel fee | On-time72% |